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Commit 5765a36d authored by Rex Zhu's avatar Rex Zhu Committed by Alex Deucher
Browse files

drm/amdgpu: AMD SW workaround for certain partner boards 



Signed-off-by: default avatarRex Zhu <Rex.Zhu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 93bdacd1

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

+4 −1
Original line number Diff line number Diff line
@@ -699,7 +699,10 @@ static void gfx_v8_0_init_golden_registers(struct amdgpu_device *adev) 
						 polaris10_golden_common_all,

						 (const u32)ARRAY_SIZE(polaris10_golden_common_all));

		WREG32_SMC(ixCG_ACLK_CNTL, 0x0000001C);

		if (adev->pdev->revision == 0xc7) {

		if (adev->pdev->revision == 0xc7 &&

		    ((adev->pdev->subsystem_device == 0xb37 && adev->pdev->subsystem_vendor == 0x1002) ||

		     (adev->pdev->subsystem_device == 0x4a8 && adev->pdev->subsystem_vendor == 0x1043) ||

		     (adev->pdev->subsystem_device == 0x9480 && adev->pdev->subsystem_vendor == 0x1682))) {

			amdgpu_atombios_i2c_channel_trans(adev, 0x10, 0x96, 0x1E, 0xDD);

			amdgpu_atombios_i2c_channel_trans(adev, 0x10, 0x96, 0x1F, 0xD0);

		}